WINDERMERE, Fla. ( Stockpickr) -- Professional traders running mutual funds and hedge funds don't just look at a stock's price moves; they also track big changes in volume activity. Often when above-average volume moves into an equity, it precedes a large spike in volatility. >>Trade 5 Hated Names to Beat the Market Major moves in volume can signal unusual activity, such as insider buying or selling -- or buying or selling by â¿¿superinvestors.â¿ Unusual volume can also be a major signal that hedge funds and momentum traders are piling into a stock ahead of a catalyst. These types of traders like to get in well before a large spike, so it's always a smart move to monitor unusual volume. That said, remember to combine trend and price action with unusual volume. Put them all together to help you decipher the next big trend for any stock. With that in mind, let's take a look at several stocks rising on unusual volume today.Smith & WessonSmith & Wesson ( SWHC) is one of the manufacturers of firearms. It manufacture an array of handguns, modern sporting rifles, hunting rifles, black powder firearms, handcuffs, and firearm-related products and accessories. This stock is trading up 7.8% at $10.20 in recent trading. Today's Volume: 5.04 million Average Volume: 2.24 million Volume % Change: 297% Shares of SWHC are soaring today after President Barack Obama was re-elected, mirroring a similar surge in 2008 and 2009 when fears â¿¿ later proven to be unfounded â¿¿ of new regulation on gun ownership generated brisk sales. From a technical perspective, SWHC is gapping higher here back above its 50-day moving average of $9.92 with monster volume. This move is quickly pushing SWHC within range of triggering a near-term breakout trade. That trade will hit once SWHC manages to take out some near-term overhead resistance at $10.47 with high volume. Traders should now look for long-biased trades in SWHC as long as its trending above its 50-day, and then once it sustains a move or close above $10.47 with volume that hits near or above 2.24 million. If that breakout triggers soon, then SWHC will set up to re-test or possibly take out its next significant overhead resistance level at $11.24.